XML 66 R60.htm IDEA: XBRL DOCUMENT v2.4.0.6
Derivatives and Risk Management Activities (Details 5) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Derivatives disclosures          
Asset Derivatives Fair Value $ 226   $ 226   $ 187
Liability Derivatives Fair Value (268)   (268)   (230)
Net loss deferred in AOCI (151)   (151)    
Net loss expected to be reclassified to earnings in next 12 months     (11)    
Gain expected to be reclassified to earnings prior to 2015     5    
Net deferred gain/(loss) recognized in AOCI on derivatives (effective portion) 97 (133) 69 (225)  
Gain (loss) expected to be reclassified to earnings through 2045     (145)    
Gain (loss) on discontinued cash flow hedge reclassified to Facilities segment revenues during the year   1   1  
Gain (loss) on discontinued cash flow hedge reclassified to other expense during the year   1   1  
Broker payable         7
Broker receivable 28   28    
Initial margin 82   82   52
Variation margin returned/(posted)     54   59
Derivative credit-risk related contingent features     none of our outstanding derivatives contained credit-risk related contingent features that would result in a material adverse impact to us upon any change in our credit ratings   none of our outstanding derivatives contained credit-risk related contingent features that would result in a material adverse impact to us upon any change in our credit ratings
Commodity
          
Derivatives disclosures          
Net deferred gain/(loss) recognized in AOCI on derivatives (effective portion) 88 (15) 88 (112)  
Foreign exchange contracts
          
Derivatives disclosures          
Net deferred gain/(loss) recognized in AOCI on derivatives (effective portion)   5   4  
Interest Rate Contracts
          
Derivatives disclosures          
Net deferred gain/(loss) recognized in AOCI on derivatives (effective portion) 9 (123) (19) (117)  
Derivatives designated as hedging instruments
          
Derivatives disclosures          
Asset Derivatives Fair Value 46   46   94
Liability Derivatives Fair Value (171)   (171)   (187)
Derivatives designated as hedging instruments | Commodity | Other current assets
          
Derivatives disclosures          
Asset Derivatives Fair Value 32   32   72
Liability Derivatives Fair Value (30)   (30)   (47)
Derivatives designated as hedging instruments | Commodity | Other long-term assets
          
Derivatives disclosures          
Asset Derivatives Fair Value 11   11   20
Liability Derivatives Fair Value (3)   (3)   (2)
Derivatives designated as hedging instruments | Commodity | Other current liabilities
          
Derivatives disclosures          
Liability Derivatives Fair Value (4)   (4)    
Derivatives designated as hedging instruments | Foreign exchange contracts | Other current assets
          
Derivatives disclosures          
Asset Derivatives Fair Value 3   3   1
Derivatives designated as hedging instruments | Foreign exchange contracts | Other current liabilities
          
Derivatives disclosures          
Liability Derivatives Fair Value (1)   (1)    
Derivatives designated as hedging instruments | Interest Rate Contracts | Other current assets
          
Derivatives disclosures          
Asset Derivatives Fair Value         1
Derivatives designated as hedging instruments | Interest Rate Contracts | Other current liabilities
          
Derivatives disclosures          
Liability Derivatives Fair Value (84)   (84)   (24)
Derivatives designated as hedging instruments | Interest Rate Contracts | Other long term liabilities
          
Derivatives disclosures          
Liability Derivatives Fair Value (49)   (49)   (114)
Derivatives not designated as hedging instruments
          
Derivatives disclosures          
Asset Derivatives Fair Value 180   180   93
Liability Derivatives Fair Value (97)   (97)   (43)
Derivatives not designated as hedging instruments | Commodity | Other current assets
          
Derivatives disclosures          
Asset Derivatives Fair Value 161   161   87
Liability Derivatives Fair Value (91)   (91)   (39)
Derivatives not designated as hedging instruments | Commodity | Other long-term assets
          
Derivatives disclosures          
Asset Derivatives Fair Value 15   15   6
Liability Derivatives Fair Value (5)   (5)   (3)
Derivatives not designated as hedging instruments | Commodity | Other current liabilities
          
Derivatives disclosures          
Liability Derivatives Fair Value (1)   (1)   (1)
Derivatives not designated as hedging instruments | Foreign exchange contracts | Other current assets
          
Derivatives disclosures          
Asset Derivatives Fair Value $ 4   $ 4